package com.yunzheng.studyLeaveSystem.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author: YunZheng
 * @Date: 2023/01/29/15:38
 * @Description:
 */
@WebFilter(value = {"/*"}, filterName = "EncoderFilter")
public class EncodeFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        //设置编码格式
        request.setCharacterEncoding("UTF-8");
        //设置返回类型
        response.setContentType("text/html; charset=utf-8");
        //放行资源
        filterChain.doFilter(request, response);
    }

    @Override
    public void destroy() {
    }
}
